Used with propane gas in metal pre-heating, flame-cleaning, warming and the welding and brazing of copper pipe, with valve for fine adjustment of fuel gas flow. Connects via 3/8" BSP fitting at the base. 330mm length, with a burner diameter of 17mm. Weighs 650g. Includes a standard nozzle (fitted), float nozzle, pipe nozzle. Provides 9kBtu with standard nozzle, 26kBtu with float& pipe nozzle.